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Optical Brightener 378/ FP-127cas40470-68-6

Short Description:

Optical Brightener 378, also known as Fluorescent Brightener Agent 378, is a type of optical brightening agent with a Chemical Abstracts Service (CAS) number 40470-68-6. This water-soluble substance is capable of absorbing ultraviolet (UV) light and re-emitting it as visible blue light, resulting in a considerable increase in brightness and whiteness of materials.

Product Detail

Product Tags

 Application Areas

- Textiles: The Optical Brightener 378 can be easily applied to cotton, polyester, and other synthetic fabrics to enhance the appearance of finished textile products.

- Plastics: This brightening agent is widely used in the plastics industry, where it helps improve the visual appeal of plastic materials and products.

- Detergents: Optical Brightener 378 is an essential ingredient in laundry detergents, as it significantly boosts the brightness and whiteness of clothes.


- Enhanced Brightness: By absorbing invisible UV light and converting it into visible blue light, this optical brightener profoundly enhances the brightness and color vibrancy of materials.

- Improved Whiteness: With its excellent brightening properties, this additive effectively increases the whiteness of products, making them appear fresher and cleaner.

- Excellent Stability: The Chemical Optical Brightener 378 exhibits outstanding stability under various conditions, ensuring long-lasting and consistent performance in different applications.

- Versatile Compatibility: This brightener can be easily integrated into different manufacturing processes and materials, including textiles, plastics, and detergents.

  Usage Instructions

- Recommended Concentration: The optimum concentration of Optical Brightener 378 may vary depending on the application and specific requirements. It is advisable to conduct compatibility tests and adjust the dosage accordingly.

- Application Methods: Different application methods, such as exhaust dyeing, padding, or spray, can be used depending on the material and process being used.

- Compatibility: It is essential to evaluate the compatibility of Optical Brightener 378 with other ingredients or additives present in the formulation to achieve the desired results.


Appearance Yellow green powder Conform
Effective content (%) 99 99.4
Melting point (°) 216-220 217
Fineness 100-200 150
As(%) 0.3 0.12

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